Cremona's table of elliptic curves

Curve 91728g2

91728 = 24 · 32 · 72 · 13



Data for elliptic curve 91728g2

Field Data Notes
Atkin-Lehner 2+ 3+ 7- 13- Signs for the Atkin-Lehner involutions
Class 91728g Isogeny class
Conductor 91728 Conductor
∏ cp 64 Product of Tamagawa factors cp
Δ -2732458777904524032 = -1 · 28 · 33 · 712 · 134 Discriminant
Eigenvalues 2+ 3+  2 7- -2 13- -6  4 Hecke eigenvalues for primes up to 20
Equation [0,0,0,-2839599,-1843478882] [a1,a2,a3,a4,a6]
Generators [243445:455988:125] Generators of the group modulo torsion
j -3113886554501616/3360173089 j-invariant
L 7.4728418463153 L(r)(E,1)/r!
Ω 0.058146985672585 Real period
R 8.0322756155153 Regulator
r 1 Rank of the group of rational points
S 1.000000000559 (Analytic) order of Ш
t 2 Number of elements in the torsion subgroup
Twists 45864d2 91728i2 13104d2 Quadratic twists by: -4 -3 -7


Data from Elliptic Curve Data by J. E. Cremona.
Design inspired by The Modular Forms Explorer by William Stein.

Part of Computational Number Theory
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